/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */

/**
 * ComponentRegistration is a signature class for discovering assets from components.
 */
export class ComponentRegistration {
  private static readonly _components: Map<string, ComponentRegistration> = new Map<string, ComponentRegistration>()

  /**
     * Gets list of all ComponentRegistration objects registered.
     *
     * @returns A list of ComponentRegistration objects.
     */
  static get components (): ComponentRegistration[] {
    return Array.from(ComponentRegistration._components.values())
  }

  /**
     * Add a component, only one instance per type is allowed for components.
     *
     * @param componentRegistration The component to be registered.
     */
  static add (componentRegistration: ComponentRegistration): void {
    const name = componentRegistration.constructor.name
    ComponentRegistration._components.set(name, componentRegistration)
  }
}